The mom couldn't handle this asshole on her own, but the family always knows what the police should have done after the fact. They did this wrong, they did that wrong, they should have spoken nicer to him, blah blah blah. Don't call the cops next time. Let this freak play with the screwdriver inside the house all he wants. If he tries to unscrew moms scalp, so be it. As soon as the screen cuts to black and the mom is shrieking, I would have liked to hear one more shot. And then silence.